Volcabulary magma chamber- the pocket beneath a volcano where magma collects pipe- a long tube in the ground that connects to the magma chamber vent- an opening where molten rock and gas leave the volcano lava flow- the area covered by lava as it pours out of the vent crater- a bowl-shaped area that may form at the top of a volcano silica- a material formed from the elements oxegon and silicon Pahoehoe- fast-moving, hot lava aa- lava that is cooler, and moves slower pyroclastic flow- something that occurs when an explosive eruption hurls out ash, cinders, bombs, and gases active volcano- a volcano that is alive, erupting or shows signs of erupting in the future dormant volcano- a volcano that is sleeping hot spring- something that forms when groundwater heated by a nearby body of magma rises to a surface, and collects into a natural pool geothermal energy- a clean reliable energy source provided by water heated by magma in volcanic areas
Table of Contents
Section 3-2 Volcanic Activity (back to homepage)
Volcabulary
magma chamber- the pocket beneath a volcano where magma collects
pipe- a long tube in the ground that connects to the magma chamber
vent- an opening where molten rock and gas leave the volcano
lava flow- the area covered by lava as it pours out of the vent
crater- a bowl-shaped area that may form at the top of a volcano
silica- a material formed from the elements oxegon and silicon
Pahoehoe- fast-moving, hot lava
aa- lava that is cooler, and moves slower
pyroclastic flow- something that occurs when an explosive eruption hurls out ash, cinders, bombs, and gases
active volcano- a volcano that is alive, erupting or shows signs of erupting in the future
dormant volcano- a volcano that is sleeping
hot spring- something that forms when groundwater heated by a nearby body of magma rises to a surface, and collects into a natural pool
geothermal energy- a clean reliable energy source provided by water heated by magma in volcanic areas